ramnit | 41df92f77fde55443fef11263967d1f648f710f132504b26949425dd0a79b3f6

Analysis

max time kernel
117s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
01-01-2025 18:34

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General

Target

41df92f77fde55443fef11263967d1f648f710f132504b26949425dd0a79b3f6N.dll
Size

204KB
MD5

0655da28445a1756bfff908e628949c0
SHA1

45df8d2a1976db2d5e4cbab11a56cb89a1846dde
SHA256

41df92f77fde55443fef11263967d1f648f710f132504b26949425dd0a79b3f6
SHA512

925175996a798932b85d29fa8252337bbf19ed4bfac436a631688e5c704670295318635fc66b41b0f6c119bb76562bd32158b8c682f69ed93ef937b082b54f76
SSDEEP

3072:SgB3oFE5a27z3EAS1uvY8XDxr3gNO0QO8rH/PyLpiuwRTzDZH:l1X33Eov9XDJgNAfqqRx

Score

10^/10

ramnit banker discovery spyware stealer trojan upx worm

Malware Config

Signatures

Ramnit
Ramnit is a versatile family that holds viruses, worms, and Trojans.
trojan spyware stealer worm banker ramnit
Ramnit family
ramnit

Executes dropped EXE 1 IoCs

pid	Process
2380	rundll32mgr.exe

Loads dropped DLL 2 IoCs

pid	Process
2560	rundll32.exe
2560	rundll32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\rundll32mgr.exe	rundll32.exe

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/files/0x000c000000012266-12.dat	upx
behavioral1/memory/2380-20-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral1/memory/2380-13-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral1/memory/2560-10-0x0000000000400000-0x0000000000464000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2380	rundll32mgr.exe
2380	rundll32mgr.exe
2380	rundll32mgr.exe

Suspicious behavior: MapViewOfSection 26 IoCs

pid	Process
2380	rundll32mgr.exe
2380	rundll32mgr.exe
2380	rundll32mgr.exe
2380	rundll32mgr.exe
2380	rundll32mgr.exe
2380	rundll32mgr.exe
2380	rundll32mgr.exe
2380	rundll32mgr.exe
2380	rundll32mgr.exe
2380	rundll32mgr.exe
2380	rundll32mgr.exe
2380	rundll32mgr.exe
2380	rundll32mgr.exe
2380	rundll32mgr.exe
2380	rundll32mgr.exe
2380	rundll32mgr.exe
2380	rundll32mgr.exe
2380	rundll32mgr.exe
2380	rundll32mgr.exe
2380	rundll32mgr.exe
2380	rundll32mgr.exe
2380	rundll32mgr.exe
2380	rundll32mgr.exe
2380	rundll32mgr.exe
2380	rundll32mgr.exe
2380	rundll32mgr.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2380	rundll32mgr.exe
Token: SeDebugPrivilege	2380	rundll32mgr.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2552 wrote to memory of 2560	2552	rundll32.exe	31
PID 2552 wrote to memory of 2560	2552	rundll32.exe	31
PID 2552 wrote to memory of 2560	2552	rundll32.exe	31
PID 2552 wrote to memory of 2560	2552	rundll32.exe	31
PID 2552 wrote to memory of 2560	2552	rundll32.exe	31
PID 2552 wrote to memory of 2560	2552	rundll32.exe	31
PID 2552 wrote to memory of 2560	2552	rundll32.exe	31
PID 2560 wrote to memory of 2380	2560	rundll32.exe	32
PID 2560 wrote to memory of 2380	2560	rundll32.exe	32
PID 2560 wrote to memory of 2380	2560	rundll32.exe	32
PID 2560 wrote to memory of 2380	2560	rundll32.exe	32
PID 2380 wrote to memory of 384	2380	rundll32mgr.exe	3
PID 2380 wrote to memory of 384	2380	rundll32mgr.exe	3
PID 2380 wrote to memory of 384	2380	rundll32mgr.exe	3
PID 2380 wrote to memory of 384	2380	rundll32mgr.exe	3
PID 2380 wrote to memory of 384	2380	rundll32mgr.exe	3
PID 2380 wrote to memory of 384	2380	rundll32mgr.exe	3
PID 2380 wrote to memory of 384	2380	rundll32mgr.exe	3
PID 2380 wrote to memory of 396	2380	rundll32mgr.exe	4
PID 2380 wrote to memory of 396	2380	rundll32mgr.exe	4
PID 2380 wrote to memory of 396	2380	rundll32mgr.exe	4
PID 2380 wrote to memory of 396	2380	rundll32mgr.exe	4
PID 2380 wrote to memory of 396	2380	rundll32mgr.exe	4
PID 2380 wrote to memory of 396	2380	rundll32mgr.exe	4
PID 2380 wrote to memory of 396	2380	rundll32mgr.exe	4
PID 2380 wrote to memory of 432	2380	rundll32mgr.exe	5
PID 2380 wrote to memory of 432	2380	rundll32mgr.exe	5
PID 2380 wrote to memory of 432	2380	rundll32mgr.exe	5
PID 2380 wrote to memory of 432	2380	rundll32mgr.exe	5
PID 2380 wrote to memory of 432	2380	rundll32mgr.exe	5
PID 2380 wrote to memory of 432	2380	rundll32mgr.exe	5
PID 2380 wrote to memory of 432	2380	rundll32mgr.exe	5
PID 2380 wrote to memory of 476	2380	rundll32mgr.exe	6
PID 2380 wrote to memory of 476	2380	rundll32mgr.exe	6
PID 2380 wrote to memory of 476	2380	rundll32mgr.exe	6
PID 2380 wrote to memory of 476	2380	rundll32mgr.exe	6
PID 2380 wrote to memory of 476	2380	rundll32mgr.exe	6
PID 2380 wrote to memory of 476	2380	rundll32mgr.exe	6
PID 2380 wrote to memory of 476	2380	rundll32mgr.exe	6
PID 2380 wrote to memory of 492	2380	rundll32mgr.exe	7
PID 2380 wrote to memory of 492	2380	rundll32mgr.exe	7
PID 2380 wrote to memory of 492	2380	rundll32mgr.exe	7
PID 2380 wrote to memory of 492	2380	rundll32mgr.exe	7
PID 2380 wrote to memory of 492	2380	rundll32mgr.exe	7
PID 2380 wrote to memory of 492	2380	rundll32mgr.exe	7
PID 2380 wrote to memory of 492	2380	rundll32mgr.exe	7
PID 2380 wrote to memory of 500	2380	rundll32mgr.exe	8
PID 2380 wrote to memory of 500	2380	rundll32mgr.exe	8
PID 2380 wrote to memory of 500	2380	rundll32mgr.exe	8
PID 2380 wrote to memory of 500	2380	rundll32mgr.exe	8
PID 2380 wrote to memory of 500	2380	rundll32mgr.exe	8
PID 2380 wrote to memory of 500	2380	rundll32mgr.exe	8
PID 2380 wrote to memory of 500	2380	rundll32mgr.exe	8
PID 2380 wrote to memory of 592	2380	rundll32mgr.exe	9
PID 2380 wrote to memory of 592	2380	rundll32mgr.exe	9
PID 2380 wrote to memory of 592	2380	rundll32mgr.exe	9
PID 2380 wrote to memory of 592	2380	rundll32mgr.exe	9
PID 2380 wrote to memory of 592	2380	rundll32mgr.exe	9
PID 2380 wrote to memory of 592	2380	rundll32mgr.exe	9
PID 2380 wrote to memory of 592	2380	rundll32mgr.exe	9
PID 2380 wrote to memory of 668	2380	rundll32mgr.exe	10
PID 2380 wrote to memory of 668	2380	rundll32mgr.exe	10
PID 2380 wrote to memory of 668	2380	rundll32mgr.exe	10
PID 2380 wrote to memory of 668	2380	rundll32mgr.exe	10

C:\Windows\system32\wininit.exe
wininit.exe
1⤵
PID:384
- C:\Windows\system32\services.exe
  C:\Windows\system32\services.exe
  2⤵
  PID:476
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k DcomLaunch
    3⤵
    PID:592
  - - C:\Windows\system32\wbem\wmiprvse.exe
      C:\Windows\system32\wbem\wmiprvse.exe
      4⤵
      PID:1212
  - - C:\Windows\system32\DllHost.exe
      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
      4⤵
      PID:1608
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k RPCSS
    3⤵
    PID:668
- - C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
    3⤵
    PID:744
- - C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
    3⤵
    PID:812
  - - C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      4⤵
      PID:1172
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k netsvcs
    3⤵
    PID:848
  - - \\?\C:\Windows\system32\wbem\WMIADAP.EXE
      wmiadap.exe /F /T /R
      4⤵
      PID:2460
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalService
    3⤵
    PID:976
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k NetworkService
    3⤵
    PID:276
- - C:\Windows\System32\spoolsv.exe
    C:\Windows\System32\spoolsv.exe
    3⤵
    PID:344
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
    3⤵
    PID:1072
- - C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    3⤵
    PID:1108
- - C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE
    "C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE"
    3⤵
    PID:1268
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
    3⤵
    PID:3032
- - C:\Windows\system32\sppsvc.exe
    C:\Windows\system32\sppsvc.exe
    3⤵
    PID:2220
- C:\Windows\system32\lsass.exe
  C:\Windows\system32\lsass.exe
  2⤵
  PID:492
- C:\Windows\system32\lsm.exe
  C:\Windows\system32\lsm.exe
  2⤵
  PID:500

C:\Windows\system32\csrss.exe
%SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=16
1⤵
PID:396

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:432

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1216
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\41df92f77fde55443fef11263967d1f648f710f132504b26949425dd0a79b3f6N.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2552
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\41df92f77fde55443fef11263967d1f648f710f132504b26949425dd0a79b3f6N.dll,#1
    3⤵
    - Loads dropped DLL
    - Drops file in System32 directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2560
  - - C:\Windows\SysWOW64\rundll32mgr.exe
      C:\Windows\SysWOW64\rundll32mgr.exe
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:2380

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\rundll32mgr.exe

Filesize
159KB

MD5
8703c6aeb2e62da71e50db9698d91e35

SHA1
cafceda794c5b1976b46a5d39949137aba8dc9e6

SHA256
c3a332de99e2b195bbb3e5927f8ee4217f968bc373f8c499db45db0b3388d47d

SHA512
48e45868929fcacfa06c5078de2e54d32cfab80e5dd00036b37f3d55b33269f0ee82f46b68e7a6adc2ec9aecad8672393a77602c1b995133876c2c4e6d15229a

Download Submit
memory/2380-13-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2380-14-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/2380-20-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2380-15-0x000000007711F000-0x0000000077120000-memory.dmp

Filesize
4KB

Download
memory/2380-17-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2380-16-0x0000000077120000-0x0000000077121000-memory.dmp

Filesize
4KB

Download
memory/2560-18-0x000000007711F000-0x0000000077120000-memory.dmp

Filesize
4KB

Download
memory/2560-19-0x000000007EFA0000-0x000000007EFAC000-memory.dmp

Filesize
48KB

Download
memory/2560-0-0x0000000074740000-0x0000000074777000-memory.dmp

Filesize
220KB

Download
memory/2560-3-0x0000000074740000-0x0000000074777000-memory.dmp

Filesize
220KB

Download
memory/2560-11-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2560-10-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2560-2-0x0000000074700000-0x0000000074737000-memory.dmp

Filesize
220KB

Download
memory/2560-22-0x000000007EFA0000-0x000000007EFAC000-memory.dmp

Filesize
48KB

Download